一个数据库的管理系统！含概了数据的备份
主要是用做学生后勤信息的管理！-a database management system! Nothing in the data-backup is mainly used to make students logistics information management!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001388s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.090050s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001258s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001917s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001249s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003571s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001068s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003201s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015707s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001463s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 224631 [ RunTime:0.001412s ]
